package com.itheima.service.impl;


import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.dao.CheckItemDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.pojo.CheckItem;
import com.itheima.service.CheckItemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service(interfaceClass = CheckItemService.class)
@Transactional
public class CheckItemServiceImpl implements CheckItemService{
    @Autowired
    private CheckItemDao checkItemDao;

    @Override
    public void add(CheckItem checkItem) {

        checkItemDao.add(checkItem);
    }

    @Override
    public PageResult pageQuery(QueryPageBean queryPageBean) {
        Integer currentPage = queryPageBean.getCurrentPage();
        Integer pageSize = queryPageBean.getPageSize();
        String queryString = queryPageBean.getQueryString();
        //使用PageHelper进行分页查询
        PageHelper.startPage(currentPage,pageSize);
        //调用dao层方法
        Page<CheckItem> page = checkItemDao.selectByCondition(queryString);
        //将Page对象转换为PageResult对象
        PageResult pageResult = new PageResult(page.getTotal(), page.getResult());
        return pageResult;
    }

    @Override
    public void deleteById(Integer id) {
        //检查当前删除的检查项与检查组是否关联
        Long count = checkItemDao.findCountByCheckItemId(id);
        if (count>0){
            //当前检查项被引用，不能删除
            throw new RuntimeException("当前检查项被引用，不能删除");
        }
        checkItemDao.deleteById(id);
    }

    @Override
    public CheckItem findById(Integer id) {
        return checkItemDao.findById(id);
    }

    @Override
    public void edit(CheckItem checkItem) {
        checkItemDao.edit(checkItem);
    }

    @Override
    public List<CheckItem> findAll() {
        return checkItemDao.findAll();
    }
}
